2015
DARPP-32 interaction with adducin may mediate rapid environmental effects on striatal neurons
Engmann O, Giralt A, Gervasi N, Marion-Poll L, Gasmi L, Filhol O, Picciotto MR, Gilligan D, Greengard P, Nairn AC, Hervé D, Girault JA. DARPP-32 interaction with adducin may mediate rapid environmental effects on striatal neurons. Nature Communications 2015, 6: 10099. PMID: 26639316, PMCID: PMC4675091, DOI: 10.1038/ncomms10099.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBehavior, AnimalBrainCaffeineCalmodulin-Binding ProteinsCentral Nervous System StimulantsChlorocebus aethiopsCocaineCOS CellsDendritic SpinesDopamine and cAMP-Regulated Phosphoprotein 32EnvironmentFluorescence Recovery After PhotobleachingImmunoblottingImmunohistochemistryIn Vitro TechniquesMass SpectrometryMiceMice, Inbred C57BLMutationNeostriatumNeuronsNucleus AccumbensPhosphorylationRatsRats, Sprague-DawleyRewardConceptsAdducin phosphorylationCytoskeletal proteinsActin filamentsMolecular pathwaysCellular mechanismsEnvironmental changesPhosphorylationDARPP-32Striatal neuronsAdducinMutant miceSynaptic stabilityProteinCascadeMultiple effectsEnvironmental effectsBindsDendritic spinesNeuronsModification of responsesBrief exposurePathwayInteractionFilamentsEnrichment
2012
The Synaptic Adhesion Molecule SynCAM 1 Contributes to Cocaine Effects on Synapse Structure and Psychostimulant Behavior
Giza JI, Jung Y, Jeffrey RA, Neugebauer NM, Picciotto MR, Biederer T. The Synaptic Adhesion Molecule SynCAM 1 Contributes to Cocaine Effects on Synapse Structure and Psychostimulant Behavior. Neuropsychopharmacology 2012, 38: 628-638. PMID: 23169347, PMCID: PMC3572459, DOI: 10.1038/npp.2012.226.Peer-Reviewed Original ResearchConceptsNucleus accumbensDrugs of abuseSynCAM 1Cocaine effectsSynapse structureMushroom-type spinesExcitatory synapse numberMedium spiny neuronsAddiction-related behaviorsKO miceSpiny neuronsStubby spinesSynapse numberAdhesion molecule proteinsExcitatory synapsesCocaine administrationTrans-synaptic interactionsKnockout micePsychostimulant effectsNAc synapsesStructural remodelingTherapeutic interventionsSynaptic cleftPsychostimulant cocaineSynapse developmentConstitutive knockout of the membrane cytoskeleton protein beta adducin decreases mushroom spine density in the nucleus accumbens but does not prevent spine remodeling in response to cocaine
Jung Y, Mulholland PJ, Wiseman SL, Chandler LJ, Picciotto MR. Constitutive knockout of the membrane cytoskeleton protein beta adducin decreases mushroom spine density in the nucleus accumbens but does not prevent spine remodeling in response to cocaine. European Journal Of Neuroscience 2012, 37: 1-9. PMID: 23106536, PMCID: PMC3538958, DOI: 10.1111/ejn.12037.Peer-Reviewed Original ResearchConceptsNucleus accumbensCocaine administrationSpine densitySynaptic plasticityMature mushroom-shaped spinesMushroom spine densityDaily cocaine administrationMushroom-shaped spinesChronic cocaine administrationOverall spine densityElevated locomotor activityExperience-dependent remodelingLipophilic dye DiINAc slicesWT miceMushroom spinesKO miceCocaine treatmentDiolistic labelingSynaptic remodelingBrain slicesBrain areasConstitutive knockoutMature spinesLocomotor activity